EP 3771833 A1 20210203 - MOTOR AND BEARING COOLING PATHS
Title (en)
MOTOR AND BEARING COOLING PATHS
Title (de)
MOTOR UND LAGERKÜHLWEGE
Title (fr)
TRAJETS DE REFROIDISSEMENT DE MOTEUR ET DE PALIER
Publication
Application
Priority
US 201916530497 A 20190802
Abstract (en)
A compressor according to an exemplary embodiment of this disclosure, among other possible things includes, a rotor (22) driven by a shaft (30) and configured to compress air. A motor (28) drives the shaft. First and second journal bearings (34a, 34b) facilitate rotation of the shaft. The first journal bearing is located upstream from the motor, and the second journal bearing is located downstream from the motor. A thrust bearing (33) also facilitates rotation of the shaft. The thrust bearing is downstream from the second journal bearing. A tie rod (70) connects the shaft to a motor rotor shaft adjacent the first journal bearing. The tie rod includes an opening (68) which is configured to communicate cooling air from the motor to the rotor. A method for cooling a compressor is also disclosed.
IPC 8 full level
F04D 29/054 (2006.01); F04D 17/10 (2006.01); F04D 25/06 (2006.01); F04D 25/08 (2006.01); F04D 29/051 (2006.01); F04D 29/056 (2006.01); F04D 29/58 (2006.01); F04D 29/057 (2006.01)
CPC (source: EP US)
F04D 17/10 (2013.01 - EP); F04D 25/0606 (2013.01 - EP); F04D 29/051 (2013.01 - EP); F04D 29/054 (2013.01 - EP); F04D 29/056 (2013.01 - EP); F04D 29/5806 (2013.01 - EP US); F04D 29/584 (2013.01 - EP US); F04D 29/057 (2013.01 - EP)
Citation (search report)
- [XI] US 2012064814 A1 20120315 - BEERS CRAIG M [US], et al
- [XI] US 2018066666 A1 20180308 - COLSON DARRYL A [US], et al
- [XI] US 2011255963 A1 20111020 - KIM CHUN KYUNG [KR]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 3771833 A1 20210203; US 11225978 B2 20220118; US 2021033112 A1 20210204
DOCDB simple family (application)
EP 19216333 A 20191213; US 201916530497 A 20190802